Question

Plaque is

(A) hard, protective covering on the tooth

(B) soft covering of the tooth which

is present below the visible part (C) the cavity which contains nerves and blood vessels in a tooth

(D) sticky film of food, saliva and bac teria near the gums​

Answer 1

Answer:

Option a

I hope it is correct

Answer 2

Answer:

a flat piece of stone or metal, usually with. names and dates on it, that is fixed on a wall in memory of a famous person or event

a harmful substance that forms on your teeth